Weidmuller TRS 24VDC 2CO Interface Relay Module

Weidmuller TRS 24VDC 2CO Relay Module with 2 Changeover Contacts

Weidmuller TRS 24VDC 2CO relay module with 2 changeover contacts is a compact DIN-rail interface relay designed to safely connect low-voltage control signals with higher-power load circuits in industrial control panels. Optimized for 24 V DC control systems, it provides reliable electrical isolation between PLC outputs and field devices while maintaining a slim footprint. This relay module addresses common automation challenges such as signal isolation, load switching, and panel space limitations, making it suitable for control cabinets that require dependable performance, safety compliance, and long-term operational stability.

The TRS 24VDC 2CO relay module delivers tangible benefits in everyday industrial use by combining flexible switching capability with built-in circuit protection. Its dual changeover contacts support versatile control logic, allowing one input signal to manage multiple output paths. Integrated protection helps safeguard sensitive control electronics from electrical disturbances caused by inductive loads. The narrow housing design enables higher component density on DIN rails, reducing cabinet size and simplifying wiring layouts. Designed for continuous operation in industrial environments, it supports reliable performance in automation, machinery control, and process applications.

Why Weidmuller TRS 24VDC 2CO?

The Weidmuller TRS 24VDC 2CO is chosen when reliability, flexibility, and panel efficiency matter. Its dual changeover contacts allow one control signal to manage multiple switching paths, reducing component count and wiring complexity. The slim DIN-rail design helps engineers maximize cabinet space, while integrated protection circuitry safeguards control electronics. Built for continuous industrial operation, it delivers predictable performance and long service life, making it a dependable interface relay for modern automation systems.

What problem does it solve?

The Weidmuller TRS 24VDC 2CO solves the challenge of safely switching higher voltages or currents using low-voltage control signals from PLCs or controllers. It provides electrical isolation to protect sensitive control outputs from load-side disturbances such as voltage spikes and inrush currents. By separating control and load circuits in a compact module, it improves system safety, reduces downtime risk, and simplifies panel design in industrial automation and process control environments.

Key Features & Specifications – Weidmuller TRS 24VDC 2CO: Part Number 1123490000

Download Weidmuller TRS 24VDC 2CO (1123490000) Datasheet

Commercial Information – Weidmuller TRS 24VDC 2CO (Part Number 1123490000)

The Applications

1. Stable PLC Interface for High-Load Industrial Outputs

In industrial automation systems, PLC outputs are often limited in current and voltage capacity, yet they must control field devices with higher electrical demands. The TRS 24VDC 2CO relay module serves as a dependable interface by isolating the PLC from load-side stresses. Its dual changeover contacts allow one control signal to handle multiple operating states, such as run, stop, or fault indication. Electrical isolation helps protect sensitive PLC electronics from voltage transients generated by contactors or solenoid valves. This results in improved controller lifespan, reduced troubleshooting effort, and a more robust automation architecture.

2. Space-Efficient Switching in Compact Machine Control Panels

Machine builders frequently work with limited enclosure space while still needing flexible control logic. The TRS 24VDC 2CO relay module addresses this challenge with a narrow DIN-rail footprint combined with two changeover contacts. This configuration enables mode selection, interlocking, or signal inversion without adding extra relays. The compact design allows higher component density, helping designers meet mechanical constraints without sacrificing functionality. Reliable contact materials ensure consistent switching performance even in machines with frequent cycling, contributing to predictable operation and simplified panel layouts in compact machinery.

3. Controlled Operation of Inductive Loads in Process Systems

Process control environments often involve inductive loads such as pumps, fans, and motor starters that can generate electrical noise during switching. The TRS 24VDC 2CO relay module supports safe control of these loads by separating the control circuit from the power circuit. Integrated protective features help reduce the impact of voltage spikes on upstream electronics. With sufficient current capacity for many field devices, the relay can be used directly without additional interface components. This simplifies wiring, lowers component count, and improves long-term system stability in continuously operating process equipment.

4. Flexible Signal Adaptation in Building and Infrastructure Automation

Building automation systems require reliable adaptation of low-voltage control signals to operate lighting, alarms, or access control equipment. The TRS 24VDC 2CO relay module provides this adaptation while maintaining electrical separation for safety. Its two changeover contacts enable flexible logic, such as fail-safe signaling or state change during power interruptions. The module’s ability to operate across a wide temperature range makes it suitable for electrical rooms and utility cabinets. This combination of flexibility, isolation, and durability supports long service life in infrastructure and facility control applications.